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mote1985 [20]
3 years ago
5

How to change 60m/s into km/h?

Mathematics
1 answer:
Firdavs [7]3 years ago
5 0
1 meter = 1/1000 km
1 second = 1/3600 Hour

1m/s = (1/1000)/(1/3600)

1m/s = (1/1000) x (3600/1) = 18/5 = 3.6
so 1 m/s is equivalent to 3.6 km/h

And 60 m/s = 60 x 3.6 = 216 km/h

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what are the solution(s) to the quadratic equation 50 – x2 = 0? x = ±2 x = ±6 x = ±5 no real solution
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Consider the given quadratic equation 50-x^2=0

x^2-50=0

Comparing the given quadratic equation to the general equation ax^2+bx+c=0, we get a= 1, b=0 and c= -50

So, the solution to the quadratic equation is given by:

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x = \frac{-0 \pm \sqrt{0^2-4(1)(-50)}}{2}

x = \frac{\pm \sqrt{200}}{2}

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3 years ago
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Step-by-step explanation:

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3 years ago
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How did you get 0.36 from 7/20
Tema [17]
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7 0
4 years ago
the length of a rectangle is a inches. the width is 3 inches longer then the length. What is the area and the perimeter of the r
Vera_Pavlovna [14]

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8 0
2 years ago
Help! the file is attached
Natalija [7]

Answer:

  • 924/5 ft/s
  • 369.6 ft

Step-by-step explanation:

126 mi/h = (126 mi)/(1 h)·(5280 ft)/(1 mi)·(1 h)/(3600 s) = (126·5280/3600) ft/s

126 mi/h = 184.8 ft/s = 924/5 ft/s

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In 2 seconds, the parachutist falls ...

  (184.8 ft/s)·(2 s) = 369.6 ft

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